Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eino Emil SvaerdfiledCriticalEino Emil Svaerd
Priority to FI841454ApriorityCriticalpatent/FI841454A0/en
Publication of FI841454A0publicationCriticalpatent/FI841454A0/en